Usar "not straightforward" en una oración

1. those distractions, it is more often than not straightforward enough to eliminate them

2. Following the security man’s map to the control room was not straightforward and several delays were caused by heading up the wrong passage

3. But he was assuredly not straightforward

4. Many modern drugs such as cocaine, morphine and digitalis are derived directly from plants, but extracting them is NOT straightforward

5. For some persons are not straightforward, their words are full of falsity and their show of good intentions is suspicious